Static Quiz 15 April 2025 (Geography)
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Static Quiz 15 April 2025 (Geography) For UPSC Exam
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1. Question
Consider the following statements with regard to the effects of propagation of earthquake waves:
1. Primary waves create troughs and crests in the material.
2. Secondary waves cause stretching and squeezing of the material.
Which of the statements given above is/are correct?CorrectAnswer: (d) Neither 1 nor 2
Explanation:
• Statement 1 is incorrect:
Primary waves (P-waves) are longitudinal waves that move by compressing and expanding material in the same direction as the wave propagation — this causes stretching and squeezing, not crests and troughs.
• Statement 2 is incorrect:
Secondary waves (S-waves) are transverse waves. The vibrations are perpendicular to the wave direction, leading to crests and troughs, not stretching and squeezing.Key Concept:
• P-waves: Longitudinal → Compression/Expansion
• S-waves: Transverse → Crests/TroughsIncorrectAnswer: (d) Neither 1 nor 2
Explanation:
• Statement 1 is incorrect:
Primary waves (P-waves) are longitudinal waves that move by compressing and expanding material in the same direction as the wave propagation — this causes stretching and squeezing, not crests and troughs.
• Statement 2 is incorrect:
Secondary waves (S-waves) are transverse waves. The vibrations are perpendicular to the wave direction, leading to crests and troughs, not stretching and squeezing.Key Concept:
• P-waves: Longitudinal → Compression/Expansion
• S-waves: Transverse → Crests/Troughs - Question 2 of 5
2. Question
Consider the following statements regarding geomorphic processes:
1. The exogenic forces derive their energy mainly from within the earth while the endogenic forces derive their energy from the atmosphere.
2. The actions of exogenic forces continuously elevate the parts of the earth’s surface, while actions of endogenic forces lead to wearing down of relief and filling up of depressions.
Which of the statements given above is/are correct?CorrectAnswer: (d) Neither 1 nor 2
Explanation:
• Statement 1 is incorrect:
◦ Exogenic forces get their energy from solar radiation and atmospheric processes.
◦ Endogenic forces get their energy from within the Earth due to radioactivity, primordial heat, etc.• Statement 2 is incorrect:
◦ Exogenic processes (like erosion, weathering) wear down relief and fill depressions (degradation + aggradation).
◦ Endogenic processes (like volcanism, orogeny) build up and elevate landforms.Key Concept:
• Exogenic = External (Sun’s energy) → Degradation + Aggradation
• Endogenic = Internal (Earth’s heat) → Construction + UpliftIncorrectAnswer: (d) Neither 1 nor 2
Explanation:
• Statement 1 is incorrect:
◦ Exogenic forces get their energy from solar radiation and atmospheric processes.
◦ Endogenic forces get their energy from within the Earth due to radioactivity, primordial heat, etc.• Statement 2 is incorrect:
◦ Exogenic processes (like erosion, weathering) wear down relief and fill depressions (degradation + aggradation).
◦ Endogenic processes (like volcanism, orogeny) build up and elevate landforms.Key Concept:
• Exogenic = External (Sun’s energy) → Degradation + Aggradation
• Endogenic = Internal (Earth’s heat) → Construction + Uplift - Question 3 of 5
3. Question
Which of the following statements is NOT correct with reference to the Western Disturbances?
CorrectAnswer: (a) Their arrival in India is characterized by a sudden drop in the prevailing night temperature.
Explanation:
• Western Disturbances are temperate cyclones that increase cloudiness and humidity. As a result, night temperatures generally rise (due to cloud cover).
• All other statements are correct:
◦ (b) They bring winter rainfall, crucial for rabi crops like wheat.
◦ (c) Originate over eastern Mediterranean.
◦ (d) Driven by Westerly Jet Streams.IncorrectAnswer: (a) Their arrival in India is characterized by a sudden drop in the prevailing night temperature.
Explanation:
• Western Disturbances are temperate cyclones that increase cloudiness and humidity. As a result, night temperatures generally rise (due to cloud cover).
• All other statements are correct:
◦ (b) They bring winter rainfall, crucial for rabi crops like wheat.
◦ (c) Originate over eastern Mediterranean.
◦ (d) Driven by Westerly Jet Streams. - Question 4 of 5
4. Question
Local storms of a hot weather season in India assist in the growth of which of the following crops?
1. Coffee
2. Tea
3. Jute
4. MustardCorrectAnswer: (c) 2 and 3 only
Explanation:
• Local summer storms like Norwesters (Kal Baisakhi) and Mango showers help in the growth of:
◦ Tea – needs moist and humid conditions.
◦ Jute – grown in eastern India; requires pre-monsoon showers.
Coffee needs moderate rainfall and shade, mostly grown in the Western Ghats, not significantly aided by summer storms.
Mustard is a rabi crop, not dependent on hot weather or local storms.IncorrectAnswer: (c) 2 and 3 only
Explanation:
• Local summer storms like Norwesters (Kal Baisakhi) and Mango showers help in the growth of:
◦ Tea – needs moist and humid conditions.
◦ Jute – grown in eastern India; requires pre-monsoon showers.
Coffee needs moderate rainfall and shade, mostly grown in the Western Ghats, not significantly aided by summer storms.
Mustard is a rabi crop, not dependent on hot weather or local storms. - Question 5 of 5
5. Question
Which of the following tourist places are also famous volcanic Hot Spots?
1. Galapagos Island
2. Hawaii
3. Yellowstone National ParkCorrectAnswer: (d) 1, 2 and 3
Explanation:
• Galapagos Islands – Located on the Nazca Plate, a hotspot zone.
• Hawaii – Classic example of an oceanic hotspot.
• Yellowstone National Park – Continental hotspot; a supervolcano underlies it.
Key Concept:
Hotspots are intra-plate volcanic regions where magma rises from deep within the mantle.IncorrectAnswer: (d) 1, 2 and 3
Explanation:
• Galapagos Islands – Located on the Nazca Plate, a hotspot zone.
• Hawaii – Classic example of an oceanic hotspot.
• Yellowstone National Park – Continental hotspot; a supervolcano underlies it.
Key Concept:
Hotspots are intra-plate volcanic regions where magma rises from deep within the mantle.
